28449580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 62375040

約数和(自身を除く): 33925460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 181, 271, 290, 362, 542, 580, 724, 905, 1084, 1355, 1810, 2710, 3620, 5249, 5420, 7859, 10498, 15718, 20996, 26245, 31436, 39295, 49051, 52490, 78590, 98102, 104980, 157180, 196204, 245255, 490510, 981020, 1422479, 2844958, 5689916, 7112395, 14224790, 28449580]

約数ペア:

[(1, 28449580), (2, 14224790), (4, 7112395), (5, 5689916), (10, 2844958), (20, 1422479), (29, 981020), (58, 490510), (116, 245255), (145, 196204), (181, 157180), (271, 104980), (290, 98102), (362, 78590), (542, 52490), (580, 49051), (724, 39295), (905, 31436), (1084, 26245), (1355, 20996), (1810, 15718), (2710, 10498), (3620, 7859), (5249, 5420)]